Light Mill (2006) by Brian L. Frye; video, color, sound, 1 minute.A brief demonstration of a "light mill" or Crookes's radiometer in operation, from a standstill to full-speed, then back off again. Mine's a bit chintzy, with a plastic base and crimped vanes. Still, I find it lovely. Few things are more charming than an elegant instrument with no practial use whatsoever.
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